//============================================================================
//Gios Pdf.NET - A library for exporting Pdf Documents in C#
//Copyright (C) 2005  Paolo Gios - www.paologios.com
//
//This library is free software; you can redistribute it and/or
//modify it under the terms of the GNU Lesser General Public
//License as published by the Free Software Foundation; either
//version 2.1 of the License, or (at your option) any later version.
//
//This library is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//Lesser General Public License for more details.
//
//You should have received a copy of the GNU Lesser General Public
//License along with this library; if not, write to the Free Software
//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//=============================================================================
using System;
using System.Text;

namespace lwzlz.Common.Gios.Pdf
{
    internal class PdfHeader : PdfObject
    {
        private string subject, title, author, creationdate;
        internal PdfHeader(PdfDocument PdfDocument, string subject, string title, string author)
        {
            this.PdfDocument = PdfDocument;
            this.id = this.PdfDocument.GetNextId;
            this.subject = subject;
            this.title = title;
            this.author = author;
            this.creationdate = DateTime.Today.ToShortDateString();
        }
        internal override int StreamWrite(System.IO.Stream stream)
        {
            string s = "";
            s += this.HeadObj;
            s += "<<\n";
            s += "/Subject (" + subject + ")\n/Title (" + title + ")\n/Creator (Gios Pdf.NET Library)\n";
            s += "/Producer(Paolo Gios - http://www.paologios.com)\n";
            s += "/Author (" + author + ")\n/CreationDate (" + creationdate + ")\n";
            s += ">>\n";
            s += "endobj\n";
            Byte[] b = ASCIIEncoding.ASCII.GetBytes(s);
            stream.Write(b, 0, b.Length);
            return b.Length;
        }

    }
}